Pennsylvania (reference map) JPEG format (201K) Shaded relief map with state boundaries, forest cover, place names, major highways. Portion of "The National Atlas of the United States of America. General Reference", compiled by U.S. Geological Survey 2001, printed 2002

Pennsylvania (reference map) PDF format (204K) Shaded relief map with state boundaries, forest cover, place names, major highways. Portion of "The National Atlas of the United States of America. General Reference", compiled by U.S. Geological Survey 2001, printed 2002

Pittsburgh 1879 "Map of Pittsburgh, Pa. Showing the Location of its Furnaces, Rolling Mills and Steel Works. Reprinted from the Iron Age of May 8th, 1879." From Report on the Social Statistics of Cities, Compiled by George E. Waring, Jr., United States. Census Office, Part II, 1887. (433K)